/* --- VARIABLES --- */
:root {
    --bg: #0a0a0a;
    --card-bg: #171717;
    --text-main: #ededed;
    --text-muted: #a1a1a1;
    --accent: #3b82f6; 
    --border: #333333;
    
    --font-head: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: var(--font-body);
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

/* --- HERO --- */
.hero {
    border-bottom: 1px solid var(--border);
    padding-bottom: 80px;
    background: radial-gradient(circle at 50% 0%, #1a1a1a 0%, #0a0a0a 100%);
}

.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo { font-family: var(--font-head); font-size: 1.5rem; letter-spacing: -1px; }

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.9rem;
    transition: 0.2s;
}
.nav-links a:hover { color: white; }
.cta-small { border: 1px solid var(--border); padding: 8px 16px; border-radius: 4px; }

.hero-content {
    text-align: center;
    padding-top: 80px;
}

.pill {
    font-size: 0.8rem;
    color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

hgroup h1 {
    font-family: var(--font-head);
    font-size: 4rem;
    line-height: 1.1;
    margin: 20px 0;
    letter-spacing: -2px;
}

hgroup p { font-size: 1.1rem; color: var(--text-muted); }

#countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 40px;
}
.time-unit span { font-family: var(--font-head); font-size: 2.5rem; display: block; }
.time-unit small { color: var(--text-muted); text-transform: uppercase; font-size: 0.7rem; letter-spacing: 2px; }

/* --- TOOLBAR (Updated for Fieldset) --- */
.toolbar-wrapper {
    max-width: 900px;
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

/* Reset Fieldset Styles */
fieldset { border: none; padding: 0; margin: 0; display: flex; gap: 8px; align-items: center; }

input[type="radio"] { display: none; }

.label-tiny {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-right: 10px;
    text-transform: uppercase;
    font-weight: 600;
}

label {
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 8px 12px;
    border-radius: 6px;
    transition: 0.2s;
}
label:hover { color: white; background: var(--card-bg); }

/* Active States */
#all:checked ~ main label[for="all"],
#workshops:checked ~ main label[for="workshops"],
#talks:checked ~ main label[for="talks"] {
    background: var(--text-main);
    color: black;
    font-weight: 600;
}

#sort-low:checked ~ main label[for="sort-low"],
#sort-high:checked ~ main label[for="sort-high"] {
    color: var(--accent);
    border: 1px solid var(--accent);
}

/* --- GRID (Bento + Semantic Article) --- */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    grid-auto-rows: minmax(200px, auto);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto 100px;
    padding: 0 20px;
    grid-auto-flow: dense; 
}

/* Bento Spans */
.col-span-2 { grid-column: span 2; }

/* Filter Logic */
#workshops:checked ~ main .grid-container .category-talk,
#talks:checked ~ main .grid-container .category-workshop {
    display: none;
}

/* Sort Logic */
.p-low { order: 1; }
.p-mid { order: 2; }
.p-high { order: 3; }

#sort-low:checked ~ main .grid-container .p-low { order: 1; }
#sort-low:checked ~ main .grid-container .p-mid { order: 2; }
#sort-low:checked ~ main .grid-container .p-high { order: 3; }

#sort-high:checked ~ main .grid-container .p-high { order: 1; }
#sort-high:checked ~ main .grid-container .p-mid { order: 2; }
#sort-high:checked ~ main .grid-container .p-low { order: 3; }

/* --- CARDS (Article Styling) --- */
.ticket-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
    transition: transform 0.2s;
}
.ticket-card:hover { border-color: var(--text-muted); transform: translateY(-2px); }

.tag { font-size: 0.75rem; padding: 4px 8px; border-radius: 4px; font-weight: 600; }
.tag-purple { background: #3c1555; color: #d8b4fe; }
.tag-blue { background: #172554; color: #93c5fd; }
.tag-red { background: #450a0a; color: #fca5a5; }

.ticket-card h3 { font-family: var(--font-head); font-size: 1.4rem; margin: 12px 0 4px; }
.author { color: var(--text-muted); margin: 0; font-size: 0.9rem; }
.desc { font-size: 0.95rem; line-height: 1.5; color: #d4d4d4; }

.action-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.price { font-family: var(--font-head); font-size: 1.5rem; }
.dimmed { opacity: 0.5; text-decoration: line-through; font-size: 1.2rem; }

.btn-buy {
    background: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}
.btn-buy:hover { background: #d4d4d4; }
.btn-buy.disabled { background: var(--border); color: var(--text-muted); cursor: not-allowed; }

/* --- FOOTER (Address & Small) --- */
footer { border-top: 1px solid var(--border); padding: 40px 0; margin-top: auto; }
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.85rem;
}
address { font-style: normal; line-height: 1.6; }
.footer-right a { color: var(--text-muted); text-decoration: none; margin-left: 20px; }
.footer-right a:hover { text-decoration: underline; }
.copyright { text-align: center; margin-top: 30px; opacity: 0.5; }

/* Mobile */
@media (max-width: 768px) {
    hgroup h1 { font-size: 2.5rem; }
    .toolbar-wrapper { flex-direction: column; gap: 20px; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
    .footer-right a { margin: 0 10px; }
    .col-span-2 { grid-column: span 1 !important; }
}